What improvements have been made to the IGMPv2 protocol compared to IGMPv1? ( Multiple Choice)
WRED is configured on the newly deployed router HW The following description of the WRED feature is correct as ?( Multiple select).
As shown in the figure, there are two IP6 networks that can access the IPv4 network, and the IPsec tunnel needs to be established between the two IPv6 networks to communicate, which of the following requirements?(). Single choice questions).
0SPFV2 is running on the IPV4 network IGP: OSPF3 is running in the IPV6 network, OSPF35 OSPFV2 has the same message type. Includes hello messages, DOD messages, LSR messages, LAU messages, and SAX messages about OSPP The following statement is correct?
What command can be used to prevent users from accessing multiple devices through the HUB on the switch's access port?( Radio).
To achieve an on-machine migration in the BGP EVPN distributed gateway scenario, which of the following messages is required?
Cross-device link aggregation realizes the back-to-back transmission of data traffic and the mutual spare of the heap member switches, but due to the limited bandwidth of the heap cable between the heap devices, the forwarding efficiency can be improved in the following ways?
An advanced access control list is a sequence of rules consisting of permit |deny statements that can match IP messages based on which attributes ?(). Multiple select).
Which of the following sequences can be matched by the regular expression [^100|200]$?
In EPIM-SM, the following description of the PIM Join message is correct?
APIM Join messages are sent every 3 minutes, and status B. PIM Join messages for the multicast tree are only sent when the multicast tree is first established
C. The PIM Join message is sent every 60 seconds to refresh the status of the upstream router mroute for the multicast tree
D. The upstream router sends a PIM Join acknowledgment in response to each PIM Join message received from the downstream router
The switch can suppress traffic by suppressing traffic and extremely other failures can affect operations, which of the following traffic suppression configurations is the wrong configuration
When configuring ISIS zone authentication, which ISIS message will carry the authentication letter? ( Single choice questions).
The following statements about the VRRP protocol are correct (multiple choice).
The command ip as-path-fiter as-path-fiter-number (denylpermit) regular-expression to configure as-path-ilter, in this command , multiple sentences can form an as-path-filter statement, what is the relationship between so many statements?
Which of the following statements about RADIUS is correct?( Single choice questions).
In which of the following cases, RSTP refreshes the MAC address table?( Multi-select)
You are now troubleshooting a LAN, and you suspect that the error is due to a mismatch in the work mode. Which switch interface error indicates that the 10/100/100O IEE gigabit interface operating mode does not match?( Multiple choice questions).
In route-policy, what are the BGP attributes that can be used for the apply clause?
Router HW cannot access hosts in the remote network, router HW runs routing protocols and only pings the remote file server address 105401 on router HW with extensions through a default route remote network , the result of ping on the router HW is rendered as 'requ.' est time out', according to the above description, the error in the following analysis is ?
In VXLAN scenarios, what features can be turned on to reduce flooding of ARP messages between VTEPs?( Multiple select).
As shown in the following figure, R1, R2, R3 establish a neighbor relationship of Level2 The IP routing table for R3 is correct (multiple choice).
The following statement about IPv6 Over VXLAN is wrong as ?( Single choice questions).
For Layer 2 VPN technology, the following statement is correct?( Multiple choice questions).
By default, which of the following security MAC address types lose table entries after the device restarts?
What mechanisms or techniques can VRRP combine with to monitor uplink connectivity?
A multi-protocol network, the topology is shown in the figure. Take a closer look at the topology, router R4 (in Areal) is introduced into the OSPF process via the routes learned by BGP. So what categories of LS4 will R3 advertise to zone 0?( Multiple choice questions).
What information does this contain in a basic layer packet? (Multiple choice) A Data link layer header
B. Upper-level data
C. The network layer header
D. path records
E. Network Layer Tail
As shown in the figure, a company wants to achieve secure mutual access between the head office and branches through MPLSVPN, and at the same time requires that the IPN traffic of the branch bank must be forwarded through the head office to achieve traffic monitoring
Which timer for spanning tree protocol dictates how often to see the root bridge send configuration BPDUs?
In a network in MPLSVPN, different CE devices can exchange routing information with the same PE device using different routing protocols, and different CE devices can exchange routing information with the same PE The routing protocols used between devices are independent of each other
The following message about the Register in PIM-SM describes the correct ?( Multiple choice questions).
The fields that represent priority in the VLAN (8021Q) data encapsulation are a total of 6 bits.
Regarding the site in the BGP/MPLSIP VPN network architecture, the following description is correct?
Based on the configuration shown in the figure below, it can be known that R4 has () interfaces advertised into IS-IS?
Regarding the Stub region in the OSPF protocol, the following statement is correct.
Which of the following options enables encapsulation and unencapsulation of VXLAN messages?
Router A has an IP route entry with a purposeful CIDR block of 10001/32 and an outgoing interface of GigabitEthernetO/0/1. Now add the following configuration: acd number 2000 rule 10 permit source1001.10#traffic classifier test if-match acl 2000 # traffic behavior test remarkdscp cs3#traffic policy test classifier test behavior test#
interfaceGigabitftherneto/0/1 ip address 1001212552552550 traffic-policy test outbound#assuming router A received a destination IP of 10001 Of packets, the following statements are correct:
Off-stem cross-domain VPN-Option B scenario, the following description is incorrect?
What type of prefix does a router running BGP advertise to its IBGP neighbor (assuming the router is not configured as a route reflector)? (radio).
Regarding the MPLS basic forwarding process, the following description is incorrect? Radio
After configuring the VLAN-based MAC address drift detection function, if the MAC address drifts, you can configure the actions of the interface according to your needs. Which of the following is not a configurable action?
When you deploy LLQ, you need to configure bandwidth parameters, what is the significance of bandwidth parameters?( Single choice questions).
As shown in the following figure, R1 and R2 establish a neighbor relationship for Level2, which is critical: placed as follows, then the following about The route entry for R2 is correct
Regarding the sliding window of TCP, what are the following descriptions that are enough to be wrong? ( Multiple choice question)
As shown below, RI, R2 establish EBGP neighbors, and once turned on, the BFD detection function, the following statement is correct?
The following description of the Layer 6 functionality in the OSI reference model is correct?
/R1Jospf1lRL-osp- jarea.2[RLospf-1-arca-0002]network1001310000 As shown in the configuration, the administrator configured OSPF but RI on R1 You cannot learn routes for other routing rings. Then the possible cause is the question).
Which address prefix in the following options indicates that the address is globally unique and globally routable among unicast addresses in IPv6, similar to a public address in IPv4?(). Single choice questions).
Which of the following options is described correctly for the assertion mechanism?( Radio).
As shown in the following figure, R1 and R2 establish a neighbor relationship with LeveL2, and the key configuration is as follows, so is the following route entry for R2 correct?
Without dividing the zone, is the following description of the link state routing protocol correct?
In an MPLS VPN network, different CE devices exchange routing information with the same PE device using different routing protocols, and different CE devices use routing protocols that are independent of each other
In OSPFv3, Router-LSA is generated by each router, which describes the interface address and cost of the router's links, as well as the RouteriD of the neighbor router.
One of the things you're doing is compressing the length of ip6 addresses as much as possible . The existing IP6 address is
2013xX0C130F006009cO87641308, to be able to make this P6 address more concise, you can compress the IP6 address into which of the following?( Single choice questions).
To implement the traffic filtering function, you can use trapp-filter or MQC, which can be called in more views than traffic-filter
A router receives a BGP route with the community attribute NO-Export , how will the router handle the BGP route?
Router R1 runs the OSPF protocol, use the "display ip routing-table" command to view the routing table of the router R1, the following about the OSPF in the routing table Is the information described correctly?
For a non-directly connected EBGP neighbor to establish properly, what configurations must be included as follows?
RTA is the source DR router, RTB is the RP router, and the multicast source sends multicast data to the RTA, but the PIM is not visible on the RTB Register the multicast source to which the message is registered, then the possible causes are ?
If there is a switch running RSTP, which interface on that switch sends the BPDU with the Proposal logo??
The advantages of building a campus network using stacking, clustering technology include which of the following?( Multi-select)
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TESTED 24 Nov 2024
